Oval clock



FIG. 1 is a front side perspective view of the present invention showing my new design with the phantom lines depicting environmental structure and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof with the phantom lines depicting environmental structure and forming no part of the claimed design;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a back elevational view thereof. 

The ornamental design for an oval clock, as shown and described. 